Cassio Vencato Isquierdo
@isquierdo
Senior Android & Kotlin Multiplatform engineer focused on architecture, performance, and reliable mobile delivery.
BrazilWhat I'm looking for
I’m a Senior Android & Kotlin Multiplatform (KMP) engineer with 10+ years building and scaling mobile apps, including systems reaching up to 1M DAU. I’m known for shaping architecture, strengthening reliability, and improving performance to reduce crashes and speed up delivery.
In my current role, I owned the architecture and delivery of a KMP app spanning Android and iOS. I defined modules and engineering standards, set up CI/CD workflows and release pipelines, and led technical decisions across distributed Android and iOS teams (7+ engineers) working fully in English.
Previously, I helped large-scale products cut crashes and ANRs by 25% through targeted architectural improvements, and I migrated users safely from legacy to a new app. I also introduced clean code practices and modernized delivery processes to improve maintainability and QA confidence.
Across roles, I’ve driven migrations to MVVM, modularized code for reuse, expanded test coverage (e.g., 30% → 85%), and implemented platform and tooling upgrades like Fastlane. I enjoy taking complex, legacy codebases and turning them into dependable, scalable systems.
Experience
Work history, roles, and key accomplishments
Owned architecture and delivery of a Kotlin Multiplatform app for Android and iOS, defining modules, CI/CD, and engineering standards. Led technical decisions with a team of 7+ engineers and improved QA and production release reliability by establishing workflows and release pipelines.
Android Engineer
SouthSystem
Jan 2023 - Jan 2024 (1 year)
Reduced crashes and ANRs by 25% in a large-scale financial app through targeted architectural improvements. Migrated users safely from the legacy app to a new version, and supported DexGuard integration to strengthen security and compliance while improving maintainability with clean code practices.
Education
Degrees, certifications, and relevant coursework
PUCRS (Pontifícia Universidade Católica do Rio Grande do Sul)
Computer Engineering
2006 -
Studied Computer Engineering at PUCRS starting in 2006.
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
Skills
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